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titleTable 2 Summary of the number of fields limits, as well as the major features of all ADS datasets (last reviewed on 19 May 2021)


DatasetNumber of fields limit

Adaptor

(indicates where the data are stored; see "Efficiency Tips" below)

Notes
10000MARS Internal/external

Those variables listed as fast-access are readily available from ADS disks.

Those variables listed as slow-access are stored in ECMWF MARS tape archive.

CAMS global reanalysis (EAC4)

100000MARS Internal/external

Those variables listed as fast-access are readily available from ADS disks.

Those variables listed as slow-access are stored in ECMWF MARS tape archive.

CAMS global reanalysis (EAC4) monthly averaged fields

100000MARS InternalN/A

CAMS global inversion-optimised greenhouse gas fluxes and concentrations

500adaptor.urlStored locally on ADS disks

CAMS global greenhouse gas reanalysis (EGG4)

100000MARSMARS external

N/A

CAMS global greenhouse gas reanalysis (EGG4) monthly averaged fields

100000MARSMARS externalN/A

CAMS solar radiation time-series

10000adaptor.cams_solar_rad2.retrieveThis data is calculated on demand by a service jointly provided by DLR, Armines, and Transvalor. The ADS forwards requests to this service and returns the data from it.

CAMS European air quality forecasts

5000adaptor.cams_regional_fc.retrieve

There are three classes of speed at which these requests will be processed:

  1. Surface ensemble stored on ADS disks: fast-access
  2. Recent forecasts and analyses for other models/levels stored by third party: slow-access
  3. All other data are stored in a third party archive system:  access to this data is in general much slower than 1. and 2.
1000adaptor.url2.retrieveN/A
1000adaptor.url
1000adaptor.url


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